MRC:
						Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
					 
					
						Special Features:
					
					
						Power supply:  95-240 v ac  47-64 hz  100 w  110 vac ceilometer  measurment range:  12, 500 to 25, 000 ft (selectable);  resolution:  12.5 ft  accuracy:  +/-20 ft  cloud layers:  up to 4,  base and depth  measurement cycle:  configurable to 30,  60,  or 120 second sampling per reporting interval  can be set to 180 sec When no clouds detected  operating temp:  -40?C to +60?C;  storage temp  -50?C to +70?C;  relative humidity:  0-100%,  condensing  laser:  lidar:  ingaas  pulsed diode  wave length:  905 +/- 10NM;  pulse width:  50NS;  collector type:  si avalanch photodiode  variable gain  temp compensated;  optics:  side by side